ancient history

ancient history (uncountable)

A period of history generally seen as occurring before the Middle Ages, that is, before the fall of the Roman Empire. Includes Ancient Egypt, Ancient Greece and Ancient Rome.
(idiomatic) That which happened a long time ago and not worth discussing any more.
Who cares if he said those things at the beginning of the year? That's ancient history now.
- 1892, Robert Louis Stevenson, Lloyd Osbourne, “Cross-questions and Crooked Answers”, in The Wrecker, London, Paris: Cassell & Company, […], →OCLC, page 276:
  "I want to have a notion how we stand about the bankruptcy." / "Oh, that's ancient history," cried Jim.

period of history

Chinese:
Mandarin: 古代歷史 / 古代历史 (gǔdài lìshǐ)，古代史 (zh) (gǔdàishǐ), 古史 (zh) (gǔshǐ), 上古史 (zh) (shànggǔshǐ)
Dutch: oudheid (nl) f, klassieke geschiedenis f
Finnish: vanhan ajan historia, antiikin historia
French: Antiquité (fr) f
German: Altertum (de) n
Greek: αρχαία ιστορία f (archaía istoría)
Ancient: ἀρχαιότης f (arkhaiótēs)
Italian: storia antica (it) f, antichità (it) f
Polish: historia starożytna f
Portuguese: Antiguidade (pt) f
Russian: исто́рия дре́внего ми́ра f (istórija drévnevo míra), анти́чная исто́рия f (antíčnaja istórija)
Spanish: Antigüedad (es) f
Swedish: antiken (sv) c
Ukrainian: please add this translation if you can

not worth discussing any more

Chinese:
Mandarin: 已經過去的事 / 已经过去的事 (yǐjīng guòqù de shì)
Dutch: lang geleden, geleden tijd, eeuwen geleden
Finnish: mennyt (fi), historia (fi)
French: histoire ancienne (fr) f
German: schon längst Geschichte f, Schnee von gestern (de) m
Italian: acqua passata f
Polish: stara historia f
Portuguese: águas passadas f pl, passado (pt) m
Russian: ста́рая исто́рия f (stáraja istórija), де́ло про́шлое n (délo próšloje)
Spanish: agua pasada (es) f
Swedish: länge sedan (sv), forna historia
Ukrainian: please add this translation if you can

English